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Commit 34c822e2 authored by Shannon Nelson's avatar Shannon Nelson Committed by Jeff Kirsher
Browse files

ixgbe: add ipsec data structures 



Set up the data structures to be used by the ipsec offload.

Signed-off-by: default avatarShannon Nelson <shannon.nelson@oracle.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 49a94d74

drivers/net/ethernet/intel/ixgbe/ixgbe.h

+5 −0
Original line number Diff line number Diff line
@@ -630,6 +630,7 @@ struct ixgbe_adapter { 
#define IXGBE_FLAG2_EEE_CAPABLE			BIT(14)

#define IXGBE_FLAG2_EEE_ENABLED			BIT(15)

#define IXGBE_FLAG2_RX_LEGACY			BIT(16)

#define IXGBE_FLAG2_IPSEC_ENABLED		BIT(17)



	/* Tx fast path data */

	int num_tx_queues;
@@ -782,6 +783,10 @@ struct ixgbe_adapter { 


#define IXGBE_RSS_KEY_SIZE     40  /* size of RSS Hash Key in bytes */

	u32 *rss_key;



#ifdef CONFIG_XFRM

	struct ixgbe_ipsec *ipsec;

#endif /* CONFIG_XFRM */

};



static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)

drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h

+40 −0
Original line number Diff line number Diff line
@@ -50,4 +50,44 @@ enum ixgbe_ipsec_tbl_sel { 
#define IXGBE_RXMOD_DECRYPT		0x00000008

#define IXGBE_RXMOD_IPV6		0x00000010



struct rx_sa {

	struct hlist_node hlist;

	struct xfrm_state *xs;

	__be32 ipaddr[4];

	u32 key[4];

	u32 salt;

	u32 mode;

	u8  iptbl_ind;

	bool used;

	bool decrypt;

};



struct rx_ip_sa {

	__be32 ipaddr[4];

	u32 ref_cnt;

	bool used;

};



struct tx_sa {

	struct xfrm_state *xs;

	u32 key[4];

	u32 salt;

	bool encrypt;

	bool used;

};



struct ixgbe_ipsec_tx_data {

	u32 flags;

	u16 trailer_len;

	u16 sa_idx;

};



struct ixgbe_ipsec {

	u16 num_rx_sa;

	u16 num_tx_sa;

	struct rx_ip_sa *ip_tbl;

	struct rx_sa *rx_tbl;

	struct tx_sa *tx_tbl;

	DECLARE_HASHTABLE(rx_sa_list, 10);

};

#endif /* _IXGBE_IPSEC_H_ */